Using the CSS :has Pseudo‑Class
The :has CSS selector allows you to select a parent element based on whether it has a certain child or children. It's powerful but it has some limitations.
Articles
Front‑end Development, page 11 of 24
Front‑end development is where product intent becomes the interface people actually use. My writing approaches it as engineering rather than surface decoration, with attention to browser behaviour and code that remains accessible, fast, and safe for a team to change.
Using the CSS :has Pseudo‑Class. Using the CSS
Spread Syntax in JavaScript (...). Spread Syntax in JavaScript (
...)In a nutshell, JavaScript spread syntax allows you to pass the elements of an iterable (for example an array), through to a function as individual elements.
The Safest Way to Test for NaN in JavaScript. The Safest Way to Test for NaN in JavaScript
Why equality, typeof and global isNaN() are unreliable JavaScript NaN checks, and when Number.isNaN() provides a safer modern alternative in practice.
When to Use var or let or const. When to Use
varorletorconstCompare var, let, and const in JavaScript, including scope, hoisting, reassignment, block behaviour, ES6 defaults, and when each declaration fits.
Local SEO is a Technical Problem Too. Local SEO is a Technical Problem Too
Local SEO is a technical problem too, covering crawlable content, structured pages, performance, metadata, internal links, and reliable local signals.
HTML Video and the preload Attribute. HTML Video and the
preloadAttributeUnderstand the HTML video preload attribute, including auto, metadata, none, browser behaviour, bandwidth cost, playback expectations, and trade‑offs.
Can I Learn Front‑End Development in 2 Months? Can I Learn Front‑End Development in 2 Months?
Can you learn front‑end development in 2 months? Yes for fundamentals and small projects, no for mastery. Here is what eight focused weeks can realistically do.
Where to Find Jobs in Web Development. Where to Find Jobs in Web Development
Find web development jobs through job boards, aggregators, social networking, cold outreach, freelance routes, contract listings, and better search habits.
LocalStorage in JavaScript. localStoragein JavaScriptWith HTML5, new storage APIs became available that allow us to store small amounts of non‑essential data on the client‑side without needing cookies.
Detecting Breakpoints in React Using Chakra UI. Detecting Breakpoints in React Using Chakra UI
Use Chakra UI breakpoints in React with useBreakpoint and ThemeProvider, including responsive interface choices and custom breakpoint configuration.
Optional Chaining in JavaScript (?.). Optional Chaining in JavaScript (
?.)Introduced as part of the ES2020 spec, JavaScript optional chaining takes some of the guesswork and convoluted if statement structuring out of accessing data.
Semantic HTML. Semantic HTML
Semantic HTML explained through meaningful elements, HTML5 structure, header, nav, footer, section, figure, accessibility, and more understandable markup.
Positioning in CSS. Positioning in CSS
Understand CSS positioning with static, relative, absolute, fixed, and sticky values, including containing blocks, layout effects, and common front‑end bugs.
Margin Collapse in CSS. Margin Collapse in CSS
Understand CSS margin collapse, including vertical margins, parent‑child behaviour, margin transference, why it feels odd, and how to prevent it.
Use CSS to Change the Mouse Cursor. Use CSS to Change the Mouse Cursor
Change the mouse cursor with CSS using built‑in cursor values or custom assets, whilst keeping interaction cues useful and avoiding distracting effects.
Exploring CSS Viewport Units Beyond vw and vh. Exploring CSS Viewport Units Beyond
vwandvhExplore CSS viewport units beyond vw and vh, including vmin, vmax, vi, vb, svh, lvh, and dvh for mobile browser chrome, writing modes, and sizing bugs.
Cleaning up Your JavaScript Code: The Double Bang (!!) Operator. Cleaning up Your JavaScript Code: The Double Bang (
!!) OperatorThe double bang operator turns values into explicit booleans, but it is not always the clearest option. Here's when it helps and when it does not.
Performance Lessons from Small Brighton Websites. Performance Lessons from Small Brighton Websites
Small Brighton websites can still be slow. Here are practical performance lessons on images, scripts, hosting, mobile UX, and maintainable fixes.
